About the Authors

Dawn L. Taylor

Affiliations Environmental Health Group, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, United Kingdom, Medecins Sans Frontieres/Artsen Zonder Grenzen, Plantage Middenlaan 14, 1001 EA, Amsterdam, The Netherlands

Tanya M. Kahawita

Affiliation Environmental Health Group, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, United Kingdom

Sandy Cairncross

Affiliation Environmental Health Group, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, United Kingdom

Jeroen H. J. Ensink

jeroen.ensink@lshtm.ac.uk

Affiliation Environmental Health Group, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JHJE DLT TMK SC. Performed the experiments: TMK DLT JHJE. Analyzed the data: DLT JHJE. Wrote the paper: JHJE SC DLT TMK.